362 XI. LIQUID COMPOUNDS.— 



LIQUID COLOURS. 



Laccajluida. Gambooe, dissolve in water with gum Arabic 

 and alum ; yellow ; used for colouring maps, writing, and staining 

 paper. — 2. Steep French berries in water, strain, add gum Arabic 

 and alum ; yellow. — 3. Steep round zedoary in spirit of wine ; clear 

 yellow. — 4. Steep turmeric in spirit of wine ; deep yellow : both 

 are used for artificial flowers. — 5. Steep Brazil chips in vinegar, 

 add alum ; red. — 6. Dissolve litmus in water, to 5 oz., meas. add 

 2 of spirit of wine ; red. — 7. Steep cochineal in water, strain, add 

 alum and gum Arabic ; red. — 8. Dissolve carmine in subcar- 

 bonate of potash water; red. — 9. Dilute Saxon blue with water; 

 blue. — 10. Add distilled vinegar to the solution of htmus till the 

 proper blue colour is obtained. — 11. Steep litmus in water, strain ; 

 purple. — 12. Dissolve crystallized verdigris in water, and add 

 gum ; green. — 13. Dissolve sap green in water, and add alum; 

 green. — 14. Render the solution of litmus green by adding sub- 

 carbonate of potash to its solution. — 15. CrystaUized verdigris, 

 cream of tartar, of each 4 oz., dissolve in water, add gum Arabic ; 

 green. 



Colours for show bottles. — Yelloic. Dissolve iron in spirit of salt 

 and dilute. — Red. Spirit of hartshorn q. p. dilute with water and 

 tinge with cochineal. — 2. Dissolve sal ammoniac in water and 

 tinge with cochineal. — Blue. Blue vitriol, alum, ana 2 oz., water 

 2 lb., spirit of vitriol q. s. — 2. Blue vitriol 4 oz., water 3 lb. — 

 Green. Rough verdigris 3 oz., dissolve in spirit of vitriol, and 

 add water 4 lb. — 2. Add distilled verdigris and blue vitriol to 

 a strong decoction of turmeric. — Purple. Verdigris sij, spirit of 

 hartshorn 4 oz., water It lb. — 1. Sugar of lead 1 oz , cochineal 3 

 j, water q. p. — 3. Add a little spirit of hartshorn to an infusion 

 of logwood. 



Boot-top liquid. Sour milk 3 lb., oil of vitriol 2 oz., compound 

 tincture of lavender 3 oz., gum Arab. 1 oz., lemon juice 2 oz., 

 white of 2 eggs. M. — 2. Sour milk 3 lb., spirit of salt, spirit of 

 vitriol, ana 2 oz., compound tincture of lavender 1 oz. M. — 3. 

 Sour milk 3 pints, butter of antimony, cream of tartar, ana 2 oz., 

 citric acid, burnt alum, common alum, ana 1 oz. 



Blacking. Lamp black 6 lb., sugar 6 lb. dissolved in water 2 

 lb., sperm oil lib., gum Arabic 3 oz. dissolved in vinegar 2 lb., 

 vinegar 3 gall., oil of vitriol 1 lb. and a half: mix. — 2. Bone 

 black, common treacle, ana 12 oz., sperm oil, oil of vitriol, ana 3 

 oz., vinegar No. 18, 4 pints: mix. — 3. Bone black, treacle, ana 

 2 lb , neafs foot oil 8 oz., oil of vitriol 1 oz., gum tragacanth 2 

 oz., vinegar 6 pints : mix. — 4. Bone black 6 lb., vinegar, water, 

 ana 2 gall., treacle 8 lb., oil of vitriol 1 lb. — 5. Bone black 1 oz., 



